Useful Wordpress Functions

functions.php

<?php

// Useful Shortcodes
add_shortcode('home_url', 'return_home_url');
add_filter('widget_text', 'do_shortcode'); // enable shortcodes on widgets
function return_home_url() {
		return home_url();
}
add_shortcode('theme_url', 'return_theme_url');
function return_theme_url() {
		return get_bloginfo('template_url');
}
add_shortcode('uploads_url', 'return_uploads_url');
function return_uploads_url() {
	$uploads_dir = wp_upload_dir();
		return $uploads_dir['baseurl'];
}

// Register Sidebar
if ( function_exists('register_sidebar') ) {
	register_sidebar(array(
		'before_widget' => '',
		'after_widget' => '',
		'before_title' => '<h3>',
		'after_title' => '</h3>',
	'name' =>'My Widget Area'
	'id' =>'widget-area'
	));
}

// Add custom post type
add_action( 'init', 'create_post_type' );
function create_post_type() {
	register_post_type( 'home_slideshow',
		array(
			'labels' => array(
				'name' => __( 'Posts' ),
				'singular_name' => __( 'Post' )
			),
		'public' => true,
		'has_archive' => true,
		'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'custom-fields' )
		)
	);
}

// Custom Wordpress Login Screen
add_filter( 'login_headerurl', 'login_page_url');
function login_page_url(){
	return home_url();
}
add_filter( 'login_headertitle', 'login_page_title');
function login_page_title(){
	return get_bloginfo('title', 'display' );
}
add_action('login_head', 'login_page_logo');
function login_page_logo()
{
	echo '<link rel="stylesheet" href="' . get_bloginfo('template_directory') . '/login-style.css" />';
}
add_filter('login_message', 'login_page_text');
function login_page_text()
{
	if(isset($_GET['reauth']))
	{
		return '<p class="message">You need to login to view this content</p>';
	}
}

// Enqueue Styles and Scripts
add_action('wp_enqueue_scripts', 'load_style');
function load_style()
{
	wp_enqueue_style( 'style', get_bloginfo() . '/css/style.css' );
	wp_enqueue_script( 'script', get_bloginfo() . '/js/script.css', 'jquery', '1.0', true );
}

// Load Fancybox Dependencies with [gallery] shortcode
add_action('post_gallery', 'load_fancybox_dep');
function load_fancybox_dep()
{
	wp_enqueue_style( 'fancybox', get_bloginfo('template_url') .'/css/jquery.fancybox-1.3.4.css' );
	wp_enqueue_script( 'fancybox', get_bloginfo('template_url') .'/js/jquery.fancybox-1.3.4.pack.js', 'jquery', '1.3.4', true	);
	wp_enqueue_script( 'fancybox-settings', get_bloginfo('template_url') .'/js/fancybox-settings.js', 'fancybox', '1.0', true	);
}

/*
 * GRAVITY FORMS
**/

// Automatically Log User In After Registration 
add_action("gform_user_registered", "autologin", 10, 4);
function autologin($user_id, $config, $entry, $password) {
	$user_email = get_usermeta($user_id, 'user_email', true);  
  $result = wp_signon(array('user_login' => $user_email, 'user_password' =>  $password, 'remember' => false), true);
}

?>